Steel Beam Sizes / CISC / W-Shapes / W840×299

W840×299 Steel Beam Dimensions and Properties

CISC Wide flange · v12.1

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

W840×299 dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 201.00 lb/ft 299.00 kg/m
Depth, d 33.66 in 855.00 mm
Flange width, bf 15.75 in 400.00 mm
tw 0.717 in 18.200 mm
tf 1.150 in 29.200 mm
Area 59.21 in² 38,200.00 mm²
Ix 11,532.05 in⁴ 4,800,000,000 mm⁴
Iy 749.58 in⁴ 312,000,000 mm⁴
Sx 683.47 in³ 11,200,000 mm³
Sy 95.20 in³ 1,560,000 mm³
Zx 775.00 in³ 12,700,000 mm³
Zy 147.07 in³ 2,410,000 mm³
rx 13.98 in 355.00 mm
ry 3.56 in 90.40 mm
J 20.81 in⁴ 8,660,000 mm⁴
Cw 198,111.34 in⁶ 53,200,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W840×299.

Lighter in W840

W840×251

Weight
251.0 kg/m (-16%)
Depth
859.0 mm (+0.5%)
Ix
3,860,000,000 mm⁴ (-20%)

Heavier in W840

W840×329

Weight
329.0 kg/m (+10.0%)
Depth
862.0 mm (+0.8%)
Ix
5,360,000,000 mm⁴ (+12%)

Closest Iₓ in W840

W840×359

Weight
359.0 kg/m (+20%)
Depth
868.0 mm (+1.5%)
Ix
5,920,000,000 mm⁴ (+23%)

Similar weight in W920

W920×289

Weight
289.0 kg/m (-3.5%)
Depth
927.0 mm (+8.4%)
Ix
5,040,000,000 mm⁴ (+5.0%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology